Sink



FIG. 1 is a perspective view of a sink showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a cross-sectional view thereof taken at line B-B of FIG. 2;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a back elevational view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a cross-sectional view thereof taken at line B-B of FIG. 8.

The base and holes for fixtures are shown in broken lines forillustrative purposes only and forms no part of the claimed design.

CLAIM The ornamental design for a sink, as shown and described.